Ultra-short pulse light propagation in cylindrical optical phantoms

被引：1
|
作者：
Sassaroli, A [1 ]
Martelli, F [1 ]
Yamada, Y [1 ]
Tzunazawa, Y [1 ]
机构：
[1] Mech Engn Lab, Tsukuba, Ibaraki 3058564, Japan
来源：
OPTICAL TOMOGRAPHY AND SPECTROSCOPY OF TISSUE III, PROCEEDINGS OF | 1999年 / 3597卷
关键词：
optical tomography; forward problem; inverse problem; Finite Element Method; Monte Carlo; diffusion equation; radiative transfer equation; absorption coefficient; reduced scattering coefficient; temporal point spread function;
D O I：
10.1117/12.356805
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Some comparison between the results of 3D FEM and 3D Monte Carlo calculations of light propagation inside highly scattering cylindrical optical phantoms are presented. The temporal profiles of transmitted delta Dirac pulses through the cylindrical phantoms have been calculated for different source-detector angles. The comparisons have been carried out in time-domain and for both homogeneous and inhomogeneous cylindrical phantoms; in the latter case some absorbing cylinders were included inside a scattering cylinder. Refractive index mismatch between the phantoms and the surrounding medium was taken into account. Some comparison with experimental results are also shown.
引用
收藏
页码：146 / 154
页数：9
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